A-Level Maths (Edexcel)
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Paper 1 and Paper 2: Pure Mathematics
Coordinate geometry in the (x, y) plane
Parallel and Perpendicular Lines Exam Question
3:08
Understand and use the equation of a straight line, including the forms y – y₁ = m(x – x₁) and ax + by + c = 0; Gradient conditions for two straight lines to be parallel or perpendicular. Be able to use straight line models in a variety of contexts.
Spec
(P1P2)3.1
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